Cushion|Natural|GIA

0.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542155543

Certificate GIA 6542155543

Diamond specifications and retailer prices

From £221 GBP
$296 USD
As of November 2, 2026
Save £443 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £663 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.54ct natural cushion diamond

This 0.54ct natural cushion sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542155543. Listed at 6 retailers as of November 2, 2026, with prices from £221 to £663, a £443 spread on the same certified stone. Do Amore Diamonds lists it at £663. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.54
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542155543
Dimensions4.78 × 4.38 × 2.96 mm
L/W Ratio1.09
Top View
4.78 mm4.38 mm0.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542155543
Side View
Table 62.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £663 GBP|Low: £195 GBP|High: £738 GBP|Avg: £349 GBP|-10.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£221 GBP
Retailer 6£231 GBP
Retailer 5£260 GBP
Retailer 3£321 GBP
Retailer 2£329 GBP
Do Amore Diamonds£663 GBP

41 data points across 6 retailers

6 retailers£221 GBP to £663 GBP

A
Cheapest Retailer
-
£221 GBP
$296 USD
Final sale: no returns
A
Retailer 2
-
£231 GBP
MYR 1,263 MYR
View
A
Retailer 3
-
£260 GBP
SGD 472 SGD
View
A
Retailer 4
-
£321 GBP
$431 USD
View
A
Retailer 5
-
£329 GBP
View
Most Expensive
B
Do Amore Diamonds
12-100767909261 · Nov 2
£663 GBP
$890 USD
View
5 more retailers have this diamond
Prices start from £221 GBPSave up to £443 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.54ct Cushion
£221 GBP